You need to create a 4-character password that consists of four english letters and/or digits if repetition is allowed. how many passwords can be created if zero cannot be used?

If there are 12 moths and some have 31 days and others have 30 days how many have 28 days?

The liabilities of cullumber are $99,000. owner’s capital is $143,000; drawings are $96,000; revenues, $467,000; and expenses, $301,000. what is the amount of cullumber company’s total assists?

Pyramid shown has a square base that is 18 inches on each side has a surface area of 164 square inches what is the slant height